class_docstr: Mixin class for all regression estimators in scikit-learn.
code: def _more_tags(self):  # noqa: R0201  # pylint: disable=no-self-use
      return {"requires_y": True}
  
file_path: mars/mars/learn/base.py
imports: from sklearn.base import BaseEstimator
  from .utils.validation import check_array, check_X_y
label_desc: Use image node_id 2 for calling the RegressorMixin obj's underlying member method code with example usage: obj._more_tags() and returns: dict